Already a customer? Click here to login. Thank you for registering for New York City Ninja Academy's World Ninja League Competition! We will send email updates with course rules and run orders, please check your spam folders. *One spectator per ninja (not counting coach). We request $5 cash for each additional spectator. *Check in 15 minutes before wave start time unless otherwise instructed. *Sign current WNL waiver and make sure coach certification is up to date. *All coaches on floor must wear sneakers. *No refunds after run order is posted. GOOD LUCK! We're sorry but this event has been reserved. Please review our calendar for another available date and time. Thank you.